essenciary/Genie.jl

The highly productive Julia web framework

Adrian Salceanu

@essenciary

won’t break

nor this

using Genie.Router
using Debugger

break_on(:error)

route("/hello") do
  error("OMG")
  "Welcome!"
end

Adrian Salceanu

@essenciary

looking at Rebugger, it doesn’t seem to fit at all - it’s designed to be used explicitly at the REPL, requesting special key combinations to trigger the debugging behaviour

Adrian Salceanu

@essenciary

@zalmoxis Infiltrator.jl works!!! 🎉

actually it doesn’t :( it does break

but the commands don’t go to the debugger :-/

Adrian Salceanu

@essenciary

@zalmoxis it works!!! if you start Genie’s server with async = false

Adrian Salceanu

@essenciary

i’ll add it to the docs

Darie Petrov

@zalmoxis

Thanks for looking into this @essenciary ... I think I'm still doing something wrong as I can't get Infiltrator to happen for me. Genie#master is what I should be using?

Adrian Salceanu

@essenciary

@zalmoxis any recent genie, Infiltrator just works… make sure you start the genie app with async = false

Adrian Salceanu

@essenciary

what seems to be the problem? not triggering? maybe PM me with the code samples

Darie Petrov

@zalmoxis

it works!

Darie Petrov

@zalmoxis

I can't seem to find this in the documentation. Is there a command to generate migrations automatically for new dbmodels? I can have more models per file correct? And I'm not sure how to represent foreign keys or other relationships. I'm using this project as a sample https://github.com/GenieFramework/Genie-Searchlight-example-app

skinnychris

@skinnychris

@essenciary Unfortunately error in trying either Julia Repl or in Atom as script

@essenciary Actually nevermind, it actually works using the standard Julia REPL. Problem is with the ATOM IDE. By the way, Genie is awesome! So clean and logical :)

Darie Petrov

@zalmoxis

I agree! )

Darie Petrov

@zalmoxis

Infiltrate works quite adequately

Darie Petrov

@zalmoxis

does SearchLight currently support relationships?

Adrian Salceanu

@essenciary

@zalmoxis Infiltrate is a bit flaky for me (at some point it stops working) but it’s a good start

it’s good for inspecting variables instead of adding @show and dump everywhere - might be interesting to extend with some @debug @infiltrate to automatically disable it if env is not dev, to make sure debugging is desactivated in production

Adrian Salceanu

@essenciary

generate migrations from models - that’s a nice idea, i haven’t thought about it. I’ll add it to the list of future features, sounds challenging but doable

yes, there can be more models per file - it’s a regular julia module so there are no restrictions in how many structs it can define

the example app needs updating - don’t think it’s relevant anymore :-/

Darie Petrov

@zalmoxis

automatic migration generation is convenient but can do without ... but I still don't know how to define relationships

I need to finish something by tomorrow night so if I can't use relationships I'll use redis or something else

but if you have an example of how to setup foreign keys I can create "through" m2m tables

Adrian Salceanu

@essenciary

there is no support for relationships i’m afraid. there used to be but was buggy so it needs to be redone - the lower level API is still there like the SQLJoin so I guess it can be worked around at lower level APIs

or you can run a hand written SQL and get the dataframe

or create a view which joins the tables plus a model

@inline function query(sql::String; system_query::Bool = false) :: DataFrames.DataFrame
  Database.query(sql, system_query = system_query)
end

Darie Petrov

@zalmoxis

ok thanks! I'll sort something temporary out .. cheers!

Adrian Salceanu

@essenciary

cheers!

@skinnychris if you can walk me through the workflow in atom i will try to reproduce it - I suspect I know what it is (there is a default path set to . so I could change that to pwd()) but I need to be able to reproduce it and test it

Darie Petrov

@zalmoxis

in the templating system is there a @if(bool) macro like the @foreach ?

Adrian Salceanu

@essenciary

no - tried it but it doesn’t work (or I couldn’t get it to work)

beware that if is tricky - in Julia it returns the last expression evaluated, so if you have more than one elements in the block, it will only return the last. so it needs to be wrapped in an array

ex:

<% if some_condition 
[ %>
    <link rel="stylesheet" href="/css/lite_cms/bootstrap.min.css" />
    <link rel="stylesheet" href="/css/lite_cms/callouts.css" />
<% ]end %>

something like that

without the […] only <link rel="stylesheet" href="/css/lite_cms/callouts.css" /> is returned

Darie Petrov

@zalmoxis

aha thanks!

Adrian Salceanu

@essenciary

👍🏻

skinnychris

@skinnychris

Is there a specific IDE you recommend? I'd probably stay away from using atom.

*In relation to using Genie

Adrian Salceanu

@essenciary

i’ve been having problems with atom all the time, it just didn’t work well for me… I’m using VSCode. but I use the REPL for starting the apps (ie $ bin/repl) and for running generators (so the server runs in the REPL) and VSCode for editing files. If I get an error, the stacktrace in the REPL lists the files and I can Ctrl+Click the file path and it opens it in VSCode. I edit and save and reload the page and the changes are applied thanks to Revise

skinnychris

@skinnychris

Cool, that's good to know :)

Adrian Salceanu

@essenciary

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